The Lezyne KTV2 Drive 10 Rear Light is a compact, high visibility safety light with two ultra bright LEDs and is superlight but durable with a waterproof construction. It provides up to 10 lumens and three output/flash modes and is designed to provide 180 degrees of visibility. Lezyne have also included an integrated USB stick for convenient cable-free recharging and have made the KTV2 Drive compatible with aero or round seatposts.